graph TD
A(Backlog Item) --> B[XS - Extra Small]
A --> C[S - Small]
A --> D[M - Medium]
A --> E[L - Large]
A --> F[XL - Extra Large]
style A fill:#f9d5e5,stroke:#333,stroke-width:2px
style B fill:#eaa7c4,stroke:#333,stroke-width:2px
style C fill:#dc6093,stroke:#333,stroke-width:2px
style D fill:#d04872,stroke:#333,stroke-width:2px
style E fill:#b83151,stroke:#333,stroke-width:2px
style F fill:#9b1a33,stroke:#333,stroke-width:2px
An agile technique for relative estimation of Backlog items.